(The word ‘quick’ is an adjective. It is describing the noun ‘cat’. It is telling us ofwhat kind the noun is.)

She is intelligent.

(The word ‘intelligent’ is an adjective. It is describing the pronoun ‘she’. It is telling us ofwhat kind the pronoun is.)

Sometimes a phrase can perform the role of an adjective in a sentence.

For example:

The cupboard is full of clothes.

(Here, the phrase ‘full of clothes’ is describing the noun ‘the cupboard’. It is telling us of what kind the noun is. Hence, the phrase is working as an adjective in this sentence.)

Sometimes aclause can perform the role of an adjective in a sentence.

For example:

Roshan Singh, who had last played a test match in 2003, is playing in today’s match against Australia.

(Here, the clause ‘who had last played a test match in 2003’ is describing the noun ‘Roshan Singh’. It is telling us which noun is being talked about. Hence, the clause is working as an adjective in this sentence.)

An adjective is a word that describes a noun or a pronoun.

For example:

The quick cat caught the mouse.

(The word ‘quick’ is an adjective. It is describing the noun ‘cat’. It is telling us ofwhat kind the noun is.)

She is intelligent.

(The word ‘intelligent’ is an adjective. It is describing the pronoun ‘she’. It is telling us ofwhat kind the pronoun is.)

Sometimes a phrase can perform the role of an adjective in a sentence.

For example:

The cupboard is full of clothes.

(Here, the phrase ‘full of clothes’ is describing the noun ‘the cupboard’. It is telling us of what kind the noun is. Hence, the phrase is working as an adjective in this sentence.)